CHAPTER Introduction to Data Warehousing

CompRef8 / Data Warehouse Design: Modern Principles and methodologies / Golfarelli & Rizzi / 039-1. CHAPTER . 1. Introduction to Data Warehousing I. nformation assets are immensely valuable to any enterprise, and because of this, these assets must be properly stored and readily accessible when they are needed. However, the availability of too much data makes the extraction of the most important information difficult, if not impossible. View results from any Google search, and you'll see that the data = information equation is not always correct that is, too much data is simply too much. Data Warehousing is a phenomenon that grew from the huge amount of electronic data stored in recent years and from the urgent need to use that data to accomplish goals that go beyond the routine tasks linked to daily processing.

CompRef8 / Data Warehouse Design: Modern Principles and Methodologies / Golfarelli & Rizzi / 039-1 4 Data Warehouse Design: Modern Principles and Methodologies 1.2 Data Warehousing Data warehouse systems are probably the systems to which academic communities and industrial bodies have been paying the greatest attention among all the DSSs. Data

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